Where is the location of the evap sensor on 2002 GMC Savana 1500

where is the evap sensor located

there is a pressure sensor on top of the tank in the fuel pump module and there is a flow solenoid in the engine compartment. there is also a vent solenoid by the tank as well.

Fuel pump was replaced in February along with fuel filter. Van starts and runs and then cuts out. Noise up by the carburetor.